Your picture is about exactly how I built my door.
Welding stainless is tricky. Do you have experience?

Also, personally I found it easier to use blanket inside the cavity than using board. You can stuff it pretty full of the blanket, and you don't have to trim bits off the edges of the board which makes nasty dust.

Your picture is about exactly how I built my door.Attachment 35617
Welding stainless is tricky. Do you have experience?

Also, personally I found it easier to use blanket inside the cavity than using board. You can stuff it pretty full of the blanket, and you don't have to trim bits off the edges of the board which makes nasty dust.

I have a welder / sheet metal guy that is right down the street from my office. That is pretty much what I want to do. The only difference is I was going to put some steel on the back side to. Why did you leave the board exposed on the back side of the door?

I think he is trying to ensure that the heat is not transmitted directly from the front surface to the back surface of the door, which would happen much more if the front and rear metal surfaces were connected.

I wonder if you could spray the CalSil Board with High Temperature paint? I was considering doing that while my build was in progress in order to protect the board against moisture - but it did occur to me it might help stop dust flying around as well.

You would only use the door once the temperature of the oven had stabilized - not while you had a full burn going. So the highest temperature the door would see would be seven or eight hundred degrees (F) I would think? And most of the time it would experience much lower temperatures.

It's aluminum - filled w/ loose vermiculite. I think it would help if it went into the oven a bit but I can still cook on the third day - not many are doing better than that with our type of oven. Most of the heat loss is going to be under and around the dome - insulate that well and you will be golden.

So I've been covering my oven with a tarp to keep it safe from the rain we've been getting up here in Maine. I read in another post NOT to cover it in a tarp and to spary it down. Can anyone verify this? I'm using HeatStop and I thought I didn't need to wet the mortar? Also can I leave the tarp over my oven?

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